6-53. What amount of time is required for asteam generator to develop its full-rated pressure from a cold start?1.5 minutes2.2 minutes3.3 minutes4.4 minutes6-54. What feature on a steam generatorensures a wet tube in the generator-heating unit at all times?1. Feedwater regulator2. Low-water cutoff3. Constant capacity pump4. Hot-well feedwater tank6-55. The pump diaphragms of a steamgenerator are operated in whatmanner?1. Pneumatically2. Electrically3. Hydraulically4. Electra-hydraulically6-56. The boiler of a steam generator isequipped to bum1. No. 1 diesel fuel2. No. 2 diesel fuel3. kerosene4. blended fuel oil6-57. You should install what device next tothe boiler connection of a steamgenerator to allow easy removal ofparts for inspection and cleaning?1. Rubber hose2. Flexible metal-clad hose3. Flexible hose with quickdisconnects4. Pipe union6-58. What is the minimum allowable sizeof flue pipe to be used on a steamgenerator?1.10 inches2.11 inches3.12 inches4.18 inches6-59. What amount of gravity feed isrequired with temperatures above200°F in the hot-well tank?1.72 inches2. 76 inches3. 80 inches4.84 inches6-60. A thermostat control test should beconducted on a steam generator atwhat interval?1. Every 140 hours2. Every 130 hours3. Every 110 hours4. Every 100 hours6-61. If a heating coil is restricted, thecondition will be shown by which ofthe following readings?1.5 to 10 psi above normal2.10 to 15 psi above normal3. 20 to 25 psi above normal4.30 psi or greater above normal6-62. On a steam generator equipped withoil-wick lubrication, you should addoil to the reservoirs of the motors atwhat interval?1. Every 180 days2. Every 90 days3. Every 45 days4. Every 30 days50